diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/Kconfig | 4 | ||||
| -rw-r--r-- | arch/powerpc/Makefile | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 32 | ||||
| -rw-r--r-- | arch/powerpc/kernel/crash.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/perf_event.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom_init_check.sh | 6 | ||||
| -rw-r--r-- | arch/powerpc/lib/Makefile | 4 | ||||
| -rw-r--r-- | arch/powerpc/lib/crtsavres.S | 129 | ||||
| -rw-r--r-- | arch/powerpc/lib/feature-fixups.c | 17 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/pci.c | 6 |
12 files changed, 179 insertions, 37 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 328774bd41ee..6506bf4fbff1 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -400,7 +400,7 @@ config IRQ_ALL_CPUS config SPARSE_IRQ bool "Support sparse irq numbering" - default y + default n help This enables support for sparse irqs. This is useful for distro kernels that want to define a high CONFIG_NR_CPUS value but still @@ -409,7 +409,7 @@ config SPARSE_IRQ ( Sparse IRQs can also be beneficial on NUMA boxes, as they spread out the irq_desc[] array in a more NUMA-friendly way. ) - If you don't know what to do here, say Y. + If you don't know what to do here, say N. config NUMA bool "NUMA support" diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 42dcd3f4ad7b..77cfe7a29e25 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -92,10 +92,10 @@ endif else KBUILD_CFLAGS += $(call cc-option,-mtune=power4) endif -else -LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o endif +LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o + ifeq ($(CONFIG_TUNE_CELL),y) KBUILD_CFLAGS += $(call cc-option,-mtune=cell) endif diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 5d8be0416227..0175a676b34b 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -24,11 +24,7 @@ * 2 of the License, or (at your option) any later version. */ -#ifdef __KERNEL__ #include <linux/types.h> -#else -#include <stdint.h> -#endif #ifndef __ASSEMBLY__ @@ -364,13 +360,13 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, #ifndef __ASSEMBLY__ struct ppc_debug_info { - uint32_t version; /* Only version 1 exists to date */ - uint32_t num_instruction_bps; - uint32_t num_data_bps; - uint32_t num_condition_regs; - uint32_t data_bp_alignment; - uint32_t sizeof_condition; /* size of the DVC register */ - uint64_t features; + __u32 version; /* Only version 1 exists to date */ + __u32 num_instruction_bps; + __u32 num_data_bps; + __u32 num_condition_regs; + __u32 data_bp_alignment; + __u32 sizeof_condition; /* size of the DVC register */ + __u64 features; }; #endif /* __ASSEMBLY__ */ @@ -386,13 +382,13 @@ struct ppc_debug_info { #ifndef __ASSEMBLY__ struct ppc_hw_breakpoint { - uint32_t version; /* currently, version must be 1 */ - uint32_t trigger_type; /* only some combinations allowed */ - uint32_t addr_mode; /* address match mode */ - uint32_t condition_mode; /* break/watchpoint condition flags */ - uint64_t addr; /* break/watchpoint address */ - uint64_t addr2; /* range end or mask */ - uint64_t condition_value; /* contents of the DVC register */ + __u32 version; /* currently, version must be 1 */ + __u32 trigger_type; /* only some combinations allowed */ + __u32 addr_mode; /* address match mode */ + __u32 condition_mode; /* break/watchpoint condition flags */ + __u64 addr; /* break/watchpoint address */ + __u64 addr2; /* range end or mask */ + __u64 condition_value; /* contents of the DVC register */ }; #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index b46f2e09bd81..29df48f2b61a 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -447,7 +447,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs) crash_kexec_prepare_cpus(crashing_cpu); cpu_set(crashing_cpu, cpus_in_crash); crash_kexec_stop_spus(); -#ifdef CONFIG_PPC_STD_MMU_64 +#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP) crash_kexec_wait_realmode(crashing_cpu); #endif if (ppc_md.kexec_cpu_down) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 3333bbdd23ef..77be3d058a65 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -295,7 +295,10 @@ void fixup_irqs(const struct cpumask *map) for_each_irq(irq) { desc = irq_to_desc(irq); - if (desc && desc->status & IRQ_PER_CPU) + if (!desc) + continue; + + if (desc->status & IRQ_PER_CPU) continue; cpumask_and(mask, desc->affinity, map); diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c index 43b83c35cf54..5c14ffe51258 100644 --- a/arch/powerpc/kernel/perf_event.c +++ b/arch/powerpc/kernel/perf_event.c @@ -791,8 +791,11 @@ static void power_pmu_disable(struct perf_event *event) cpuhw = &__get_cpu_var(cpu_hw_events); for (i = 0; i < cpuhw->n_events; ++i) { if (event == cpuhw->event[i]) { - while (++i < cpuhw->n_events) + while (++i < cpuhw->n_events) { cpuhw->event[i-1] = cpuhw->event[i]; + cpuhw->events[i-1] = cpuhw->events[i]; + cpuhw->flags[i-1] = cpuhw->flags[i]; + } --cpuhw->n_events; ppmu->disable_pmc(event->hw.idx - 1, cpuhw->mmcr); if (event->hw.idx) { diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 97d4bd9442d3..3b6f8ae9b8cc 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -872,7 +872,7 @@ static void __init prom_send_capabilities(void) "ibm_architecture_vec structure inconsistent: 0x%x !\n", *cores); } else { - *cores = NR_CPUS / prom_count_smt_threads(); + *cores = DIV_ROUND_UP(NR_CPUS, prom_count_smt_threads()); prom_printf("Max number of cores passed to firmware: 0x%x\n", (unsigned long)*cores); } diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh index 1ac136b128f0..9f82f4937892 100644 --- a/arch/powerpc/kernel/prom_init_check.sh +++ b/arch/powerpc/kernel/prom_init_check.sh @@ -52,12 +52,18 @@ do if [ "${UNDEF:0:9}" = "_restgpr_" ]; then OK=1 fi + if [ "${UNDEF:0:10}" = "_restgpr0_" ]; then + OK=1 + fi if [ "${UNDEF:0:11}" = "_rest32gpr_" ]; then OK=1 fi if [ "${UNDEF:0:9}" = "_savegpr_" ]; then OK=1 fi + if [ "${UNDEF:0:10}" = "_savegpr0_" ]; then + OK=1 + fi if [ "${UNDEF:0:11}" = "_save32gpr_" ]; then OK=1 fi diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 3040dac18a37..111da1c03a11 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -12,8 +12,8 @@ CFLAGS_REMOVE_code-patching.o = -pg CFLAGS_REMOVE_feature-fixups.o = -pg obj-y := string.o alloc.o \ - checksum_$(CONFIG_WORD_SIZE).o -obj-$(CONFIG_PPC32) += div64.o copy_32.o crtsavres.o + checksum_$(CONFIG_WORD_SIZE).o crtsavres.o +obj-$(CONFIG_PPC32) += div64.o copy_32.o obj-$(CONFIG_HAS_IOMEM) += devres.o obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \ diff --git a/arch/powerpc/lib/crtsavres.S b/arch/powerpc/lib/crtsavres.S index 70a9cd8a3008..1c893f05d224 100644 --- a/arch/powerpc/lib/crtsavres.S +++ b/arch/powerpc/lib/crtsavres.S @@ -6,6 +6,7 @@ * Written By Michael Meissner * * Based on gcc/config/rs6000/crtsavres.asm from gcc + * 64 bit additions from reading the PPC elf64abi document. * * This file is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -44,6 +45,8 @@ #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE +#ifndef CONFIG_PPC64 + /* Routines for saving integer registers, called by the compiler. */ /* Called with r11 pointing to the stack header word of the caller of the */ /* function, just beyond the end of the integer save area. */ @@ -226,4 +229,130 @@ _GLOBAL(_rest32gpr_31_x) mtlr 0 mr 1,11 blr + +#else /* CONFIG_PPC64 */ + +.globl _savegpr0_14 +_savegpr0_14: + std r14,-144(r1) +.globl _savegpr0_15 +_savegpr0_15: + std r15,-136(r1) +.globl _savegpr0_16 +_savegpr0_16: + std r16,-128(r1) +.globl _savegpr0_17 +_savegpr0_17: + std r17,-120(r1) +.globl _savegpr0_18 +_savegpr0_18: + std r18,-112(r1) +.globl _savegpr0_19 +_savegpr0_19: + std r19,-104(r1) +.globl _savegpr0_20 +_savegpr0_20: + std r20,-96(r1) +.globl _savegpr0_21 +_savegpr0_21: + std r21,-88(r1) +.globl _savegpr0_22 +_savegpr0_22: + std r22,-80(r1) +.globl _savegpr0_23 +_savegpr0_23: + std r23,-72(r1) +.globl _savegpr0_24 +_savegpr0_24: + std r24,-64(r1) +.globl _savegpr0_25 +_savegpr0_25: + std r25,-56(r1) +.globl _savegpr0_26 +_savegpr0_26: + std r26,-48(r1) +.globl _savegpr0_27 +_savegpr0_27: + std r27,-40(r1) +.globl _savegpr0_28 +_savegpr0_28: + std r28,-32(r1) +.globl _savegpr0_29 +_savegpr0_29: + std r29,-24(r1) +.globl _savegpr0_30 +_savegpr0_30: + std r30,-16(r1) +.globl _savegpr0_31 +_savegpr0_31: + std r31,-8(r1) + std r0,16(r1) + blr + +.globl _restgpr0_14 +_restgpr0_14: + ld r14,-144(r1) +.globl _restgpr0_15 +_restgpr0_15: + ld r15,-136(r1) +.globl _restgpr0_16 +_restgpr0_16: + ld r16,-128(r1) +.globl _restgpr0_17 +_restgpr0_17: + ld r17,-120(r1) +.globl _restgpr0_18 +_restgpr0_18: + ld r18,-112(r1) +.globl _restgpr0_19 +_restgpr0_19: + ld r19,-104(r1) +.globl _restgpr0_20 +_restgpr0_20: + ld r20,-96(r1) +.globl _restgpr0_21 +_restgpr0_21: + ld r21,-88(r1) +.globl _restgpr0_22 +_restgpr0_22: + ld r22,-80(r1) +.globl _restgpr0_23 +_restgpr0_23: + ld r23,-72(r1) +.globl _restgpr0_24 +_restgpr0_24: + ld r24,-64(r1) +.globl _restgpr0_25 +_restgpr0_25: + ld r25,-56(r1) +.globl _restgpr0_26 +_restgpr0_26: + ld r26,-48(r1) +.globl _restgpr0_27 +_restgpr0_27: + ld r27,-40(r1) +.globl _restgpr0_28 +_restgpr0_28: + ld r28,-32(r1) +.globl _restgpr0_29 +_restgpr0_29: + ld r0,16(r1) + ld r29,-24(r1) + mtlr r0 + ld r30,-16(r1) + ld r31,-8(r1) + blr + +.globl _restgpr0_30 +_restgpr0_30: + ld r30,-16(r1) +.globl _restgpr0_31 +_restgpr0_31: + ld r0,16(r1) + ld r31,-8(r1) + mtlr r0 + blr + +#endif /* CONFIG_PPC64 */ + #endif diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index e640175b65ae..0d08d0171392 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -12,6 +12,7 @@ * 2 of the License, or (at your option) any later version. */ +#include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/init.h> @@ -288,8 +289,8 @@ static void test_alternative_case_with_external_branch(void) static void test_cpu_macros(void) { - extern void ftr_fixup_test_FTR_macros; - extern void ftr_fixup_test_FTR_macros_expected; + extern u8 ftr_fixup_test_FTR_macros; + extern u8 ftr_fixup_test_FTR_macros_expected; unsigned long size = &ftr_fixup_test_FTR_macros_expected - &ftr_fixup_test_FTR_macros; @@ -301,8 +302,8 @@ static void test_cpu_macros(void) static void test_fw_macros(void) { #ifdef CONFIG_PPC64 - extern void ftr_fixup_test_FW_FTR_macros; - extern void ftr_fixup_test_FW_FTR_macros_expected; + extern u8 ftr_fixup_test_FW_FTR_macros; + extern u8 ftr_fixup_test_FW_FTR_macros_expected; unsigned long size = &ftr_fixup_test_FW_FTR_macros_expected - &ftr_fixup_test_FW_FTR_macros; @@ -314,10 +315,10 @@ static void test_fw_macros(void) static void test_lwsync_macros(void) { - extern void lwsync_fixup_test; - extern void end_lwsync_fixup_test; - extern void lwsync_fixup_test_expected_LWSYNC; - extern void lwsync_fixup_test_expected_SYNC; + extern u8 lwsync_fixup_test; + extern u8 end_lwsync_fixup_test; + extern u8 lwsync_fixup_test_expected_LWSYNC; + extern u8 lwsync_fixup_test_expected_SYNC; unsigned long size = &end_lwsync_fixup_test - &lwsync_fixup_test; diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index 3fc2e6494b8b..ab3962b0d246 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -445,7 +445,11 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev) } allocate_device_bars(pdev); - iseries_device_information(pdev, bus, *sub_bus); + if (likely(sub_bus)) + iseries_device_information(pdev, bus, *sub_bus); + else + printk(KERN_ERR "PCI: Device node %s has missing or invalid " + "linux,subbus property\n", node->full_name); } /* |